/*
 *  Copyright (c) 2021@boostmerlin<https://github.com/boostmerlin/summer-boot>
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

package io.summer.gadget.channel.core.autoconfig;

import io.summer.gadget.channel.core.anno.ChannelTopic;
import org.springframework.util.StringUtils;

import java.lang.reflect.Method;

/**
 * @author Moonlight
 */
public final class ChannelTopicNameHelper {
  private ChannelTopicNameHelper() {
  }

  public static String getTopic(Method method, Class<?> serviceType) {
    ChannelTopic h = method.getDeclaredAnnotation(ChannelTopic.class);
    if (!StringUtils.isEmpty(h.topic())) {
      return h.topic();
    }
    return getTopicListenerName(serviceType, method);
  }

  public static String getTopicListenerName(Class<?> serviceType, Method handler) {
    return serviceType.getSimpleName() + handler.getName() + "Handler";
  }
}
